[Dsg-hallb_magnets] Solenoid installation task time line meeting minutes

[Ruben Fair]

Brian , Tyler

First can I see Tyler's table with all misbehaving sensors and also the chassis number and also the connector numbers?

Regards

Ruben

> On May 1, 2017, at 10:43 AM, Brian Eng <beng at jlab.org> wrote:
> 
> I just spoke with Tyler and he explained that the code is supposed to latch all the chassis if any of them has an error, so that solves that part for me.
> 
> He also confirmed that last time he deployed the restart code it didn't recover the cernox.
> 
> I still think it is something to do with these particular chassis. Since it's basically only happened with 2 of them, and most of the errors are concentrated on a single chassis; if it was an issue with the code and/or cRIO I'd expect eventually all chassis to have the error.
> 
> 
> 
> So the question to Ruben/Probir is: should we completely remove the restart functionality to see if the algorithm can recover a fault itself?
> 
> 
> 
>> On May 1, 2017, at 10:14 AM, Brian Eng <beng at jlab.org> wrote:
>> 
>> Per Tyler's meeting minutes if there were no cernox errors until mid-May then the test would have been successful.
>> 
>> When I checked the chassis status this morning all the chassis had been latched with a 325K error, however so far I've only found 1 sensor that went to 325K (and immediately went back to a "good" value, see attached screenshot, interesting to note that the sensor temp went up just before the jump).
>> 
>> I was under the impression that the cernox restart functionality didn't work, so either it does in fact work or the new algorithm managed to correct the error itself. I'll need to talk with Tyler to get some more details, maybe we try taking the reset functionality fully out and see what happens?
>> 
>> The error happened on a sensor connected to chassis #2.
>> 
>> <Screen Shot 2017-05-01 at 10.04.53 AM.png>
>> 
>>> On Apr 26, 2017, at 10:12 AM, Tyler Lemon <tlemon at jlab.org> wrote:
>>> 
>>> Hello,
>>> 
>>> Attached is minutes from the meeting on Monday April 24, 2017 to discuss the time line for Solenoid installation tasks. In the attachment is also the schedule posted with tasks assigned to DSG highlighted in yellow.
>>> 
>>> Best regards,
>>> Tyler
>>> <2017-04-24 Solenoid meeting minutes I&c TASK TIMELINE FOR INSTALLATION.pdf>
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